A germfree mouse that is not born by cesarean section is not a suitable animal model for investigating the interaction between a host and one type of bacteria. 

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Genetic imprinting is caused by ____

a. insertion of a nucleotide into an exon b. deletion of an amino acid from the mRNA strand c. a frameshift mutation d. epigenetic changes to DNA e. a change in a termination codon

Biology & Microbiology

The major way that meiosis II differs from mitosis is that

A. in meiosis II, the homologous sister chromatids align at the metaphase plate as a tetrad. B. in meiosis II, a pair of sister chromatids move to the pole. C. in meiosis II, the daughter cells are haploid. D. in meiosis II, a synaptonemal complex is formed. E. in meiosis II, the homologues separate.

Biology & Microbiology

Competitive exclusion is the result of

a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism.

Biology & Microbiology

Which of the following pathogens/diseases would be the easiest to eradicate?

A. A pathogen that mostly infects animals but also sometimes causes disease in humans. B. A pathogen that only infects humans and rarely causes signs and symptoms. C. A disease that is asymptomatic and is carried by a large number of people in a population. D. A pathogen that only infects humans and causes obvious signs and symptoms. E. A pathogen that causes disease in both animals and humans.

Biology & Microbiology